Tecoom Serpentine Drive Belt Tensioner Idler Pulley Assembly Kit Compatible with Chevrolet Colorado Gmc Canyon 2004-2012, Hummer H3 H3t 06-10, Isuzu I-280 I-350 2006 I-290 I-370 07 08, 90K38178A

["Precision OE Fit: Compatible with Chevrolet Colorado GMC Canyon 2004-2012; Compatible with Hummer H3 2006-2010, Hummer H3 2006-2010; Compatible with Isuzu I-280 I-350 2006, I-290 I-370 2007-2008","Reference Number: Belt Tensioner: 90K38178A, 12573024, 24576885; Serpentine Belt: 12580826, 12593776, 12611636; Idler Pulley: 12568286, 12568287, 12587547, 12590963","PREMIUM MATERIALS: Engineered with high-strength PA46 nylon and aluminum ADC12 for the belt tensioner, featuring φ70±0.5mm precision pulleys. Equipped with premium 6203 bearings, 40Cr core shafts, and a hydraulic cylinder assembly for auto-adjustment. EPDM construction ensures the serpentine belt holds tension well and resists wear, deformation, and snapping.","Fucktion: This belt tensioner pulley advanced vibration damping ensures smooth operation with minimal noise, delivering superior heat resistance, fatigue durability, and reduced maintenance compared to standard kits.","RELIABILITY & SUPPORT: Tecoom drive belt kit with strict QC checks, ensures trouble-free installation, long-lasting performance, and comes with dedicated customer support for peace of mind. Tips: Please enter your vehicle info in the top-left corner to ensure the correct fit before ordering."]